Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2410ce13bd28108…

MALICIOUS

PDF

41.4 KB Created: 2020-08-16 11:13:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d39eedfe5edfd7f1cb77370aa32efc07 SHA-1: a2258f7f874f9361f015892b716b0abfc11ca10d SHA-256: d2410ce13bd281081fac0765c0c9f96acd1d1bf61cbbf1460974435d79a645ca
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, a common tactic for redirecting users to malicious websites. One such link, 'https://ttraff.com/pify?keyword=dividends+shown+on+balance+sheet', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and references to financial terms, suggesting a lure to trick users into clicking the malicious link. The presence of a link farm further supports the malicious intent.

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=dividends+shown+on+balance+sheet
    • http://files.apharreld.com/uploads/1/3/1/4/131406807/simevunebu_sujobuzigosimib_rowovopategij_tovonab.pdf
    • http://files.albasmadetergents.com/uploads/1/3/0/7/130738799/kitugajojixefisevu.pdf
    • http://files.bodiesbyvv.ca/uploads/1/3/1/6/131637224/4692346.pdf
    • http://files.paruscreations.com/uploads/1/3/0/8/130874204/nusutefijemar.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/liwisubusamepumiv.pdf
    • https://cdn.shopify.com/s/files/1/0438/0996/4192/files/titirovakiviwemijuwite.pdf
    • https://cdn.shopify.com/s/files/1/0431/7318/3637/files/66924364469.pdf
    • https://cdn.shopify.com/s/files/1/0440/5549/4806/files/mei_and_the_kittenbus_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/0079/9140/files/21173464713.pdf
    • https://cdn.shopify.com/s/files/1/0431/0004/5469/files/exercicios_ions_cations_e_anions.pdf
    • https://cdn.shopify.com/s/files/1/0430/6914/5241/files/82786911074.pdf
    • https://cdn.shopify.com/s/files/1/0437/3879/2085/files/content_type.pdf
    • https://cdn.shopify.com/s/files/1/0429/8876/5337/files/beden_dili_hareketleri_ve_anlamlar.pdf
    • https://cdn.shopify.com/s/files/1/0429/7264/3491/files/bejelalirunimudabuwip.pdf
    • https://cdn.shopify.com/s/files/1/0429/6884/2393/files/52090901831.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006296.bin
2463f0006b2ccee2833349a295cd2a95aa622224fdf54581c803184c2c265450
pdf-font-stream PDF embedded font (sfnt) at offset 0x6296 5220 bytes
font_01_sfnt_off00007471.bin
52c5720fe1f6032bfdda07dc1fc4543652afdf991c77766d3da6c5cec79388dd
pdf-font-stream PDF embedded font (sfnt) at offset 0x7471 10620 bytes